Finding the Fourth Proportional to 439,350,728.69, 606,263,931.47 and 260,703,832.14
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Solution
The fourth proportional to 439,350,728.69, 606,263,931.47 and 260,703,832.14 is: 359,747,509.00
Step by Step Solution
- Step 1: Write the proportion equation
439,350,728.69 : 606,263,931.47 = 260,703,832.14 : x - Step 2: Convert to fraction form
439,350,728.69/606,263,931.47 = 260,703,832.14/x - Step 3: Cross multiply
439,350,728.69x = 606,263,931.47 × 260,703,832.14 - Step 4: Simplify right side
439,350,728.69x = 158,055,330,221,187,840 - Step 5: Solve for x
x = 158,055,330,221,187,840/439,350,728.69 - Step 6: Final answer
x = 359,747,509.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.